Foam Coat
Steve Biggs' Original, An Alternative to Vanillacryl ®

Steve Biggs' Original Foam Coat
Hard, crust-like shell for expanded polystyrene (foam). Developed as an alternative to Vanillacryl (TM). Tough and hard. Can be cut and machined.

CAT # Description Price    Add   
FC-8 Foam Coat, 8 oz $6.75 Add
FC-16 Foam Coat, 1 pint $10.24 Add
FC-32 Foam Coat, 1 quart $17.95 Add
FC-128 Foam Coat, 1 gallon $54.95 Add
FC-640 Foam Coat, 5 gallons $259.95 Add
How to Use the Foam Coating

A spreader or brush seems to work best. Rolling takes skill and no one has tried to spray it yet. Best results can be accomplished in three steps.

1. ADHESION COAT. Brush or spread a thin layer on the Styrofoam surface. Let this dry between one and four hours. Do not touch this layer until dry.

2. BULK COAT. Brush or spread a very thick layer (1/16" or 1mm) Let this dry between two and four hours.

3. SMOOTH COAT. Use a spreader and trowel on a thin layer. Let this dry three to four hours before handling. Let it dry for maximum hardness overnight. Cross linking of the polymer will occur in about four days.


Steve Biggs' Original Foam Coat

• Can be cut and machined. Drills easily.
• Sands smooth just like hardwood.
• Doesn't melt Styrofoam®.
• Strong, hard surface without the fumes of fiberglass.
• Lighter and stronger than comparable coatings.
• Doesn't need to be constantly stirred.
• Takes acrylic or latex acrylic paints very well.
• Can be cast as a stand alone product.
• Four layers over two-pound density foam are remarkably strong.

Have you ever wanted a hard surface coating for Styrofoam®?

This multi-use coating material was originally designed to replace Vanillacryl(TM) a specialized coating for styrofoam. Unfortunately at the time of this writing Vanillacryl(TM) is unavailable. Steve' Foam Coat is lighter and stronger than the original Vanillacryl(TM) and doesn't' need the constant stirring that the other product required.

Unique characteristics of this product are its unusual strength and its ability to be cut, drilled and sanded. Another desirable attribute is its ability to cross-bond, a molecular substructure that literally creates one giant molecule on the surface of the substrate.

Steve's foam coat is also very strong. Early reports show it may be as strong as fiberglass. It seems to take acrylic paint and latex acrylic paint very well, with smooth sharpe lines and excellent adhesion of the paints. You can waterproof Steve's Foam Coat with a heavy coating of a plastic sealer such as Kryolan's Plasticoat.

Preliminary tests show that Steve's Foam Coat can be cast in a silicone mold. Results on tests with a resin impregnated sawdust as a backing material should be available soon.

Steve's Foam coat is also remarkable for its ability to bind to previously stubborn materials including polypropylene and aluminum metal. Sand, degrease and clean these materials before attempting to adhere Steve's Foam Coat to them. The coating will adhere to polyurethane foam, expanded styrene foam, and styrene. It will also stick to your clothes, shoes and unprotected skin, be careful.

User must test and prequality the performance of this product before committing to a large project. Do not dilute nor mix with any other products as this will render invalid any warranty and render it useless.

Allow three or four hours for the first coat to dry. Additional coats may be applied when the previous coat is dry to the touch.

After the initial coating, do not touch for three or four hours! Binding will not begin to occur until the product is nearly dry.

Steve Biggs' Original Foam Coat
Method of Application: Spreader, Trowel, Brush
Base: Modified Acrylic Resin
Color: Slight cream color
Odor: Slight ammonia
Solvent: (none) water based
Shelf life: Undetermined at this time (stable) several months so far if kept in the origional, unopened container.
Adhesion: Excellent to foams, styrene, p/p, alum.
Flammability: Will burn when dry, not flame retarded
Water barrier: Moisture will eventually migrate through this material if soaked.Weather-proof top-coating is recommended.
pH: 7.7
Clean up: Use soap and water, with a small amount of household ammonia.
Net Weight per gallon: 8 lbs 4 ozs
Storage: Keep in original container, tightly sealed, wipe brim before sealing container. Do not store in extreme temperatures.
Stir: Stir well before use especially if contents have settled.
Drying/Curing times: Allow the first coat to dry for three or four hours, depending on relative humidity. Do all your work within the first four days as the product will gain full strength in about five days. Full cross-bonding will occur in two weeks.
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